🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.57 AU - 0.71 AU

Year: 336 Days

Day: 29.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 26.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.9 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.9

Radius: 13.2

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.04 AU - 1.28 AU

Year: 820 Days

Day: 10.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,874,831 km

• M1: 164,109 km (0.078 R)
• M2: 587,920 km (0.119 R)
• M3: 1,080,246 km (0.115 R)
• M4: 1,845,739 km (0.073 R)
• M5: 2,293,335 km (0.066 R)
• M6: 2,826,353 km (0.109 R)
• M7: 3,276,193 km (0.077 R)
• M8: 4,573,955 km (0.067 R)
• M9: 5,522,405 km (0.119 R)
• M10: 6,231,948 km (0.106 R)
• M11: 7,397,615 km (0.092 R)
• M12: 9,162,570 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.9

Radius: 14.9

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.64 AU - 2.56 AU

Year: 1996 Days

Day: 6.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,874,831 km

• M1: 185,352 km (0.109 R)
• M2: 875,297 km (0.067 R)
• M3: 1,498,372 km (0.111 R)
• M4: 2,000,273 km (0.074 R)
• M5: 2,616,317 km (0.076 R)
• M6: 3,163,995 km (0.106 R)
• M7: 4,413,885 km (0.073 R)
• M8: 5,241,909 km (0.117 R)
• M9: 6,171,361 km (0.099 R)
• M10: 6,769,603 km (0.113 R)
• M11: 7,236,498 km (0.12 R)
• M12: 8,113,291 km (0.038 R)
• M13: 9,027,184 km (0.054 R)
• M14: 10,799,919 km (0.068 R)
• M15: 12,104,562 km (0.102 R)
• M16: 12,919,871 km (0.072 R)
• M17: 13,641,231 km (0.119 R)
• M18: 15,729,019 km (0.086 R)
• M19: 16,258,297 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.5

Radius: 10.6

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.06 AU - 2.62 AU

Year: 2348 Days

Day: 9.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,874,831 km

• M1: 131,796 km (0.097 R)
• M2: 465,549 km (0.047 R)
• M3: 850,913 km (0.079 R)
• M4: 1,316,461 km (0.103 R)
• M5: 1,856,360 km (0.103 R)
• M6: 2,439,492 km (0.113 R)
• M7: 2,898,160 km (0.065 R)
• M8: 4,148,050 km (0.111 R)
• M9: 5,616,652 km (0.11 R)
• M10: 8,286,226 km (0.064 R)
• M11: 9,052,167 km (0.077 R)
• M12: 13,054,957 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.3

Radius: 9.7

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.95 AU - 3.03 AU

Year: 2578 Days

Day: 13.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,874,831 km

• M1: 120,725 km (0.05 R)
• M2: 452,384 km (0.086 R)
• M3: 866,022 km (0.119 R)
• M4: 1,260,811 km (0.104 R)
• M5: 1,594,863 km (0.053 R)
• M6: 1,969,306 km (0.114 R)
• M7: 2,413,462 km (0.082 R)
• M8: 3,906,599 km (0.11 R)
• M9: 6,425,079 km (0.118 R)
• M10: 7,502,932 km (0.09 R)
• M11: 7,921,207 km (0.078 R)
• M12: 8,355,041 km (0.106 R)
• M13: 9,410,155 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.1

Radius: 11.5

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.96 AU - 4.42 AU

Year: 4650 Days

Day: 13.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,874,831 km

• M1: 143,165 km (0.104 R)
• M2: 535,112 km (0.037 R)
• M3: 999,164 km (0.071 R)
• M4: 1,371,812 km (0.064 R)
• M5: 2,186,074 km (0.085 R)
• M6: 3,067,205 km (0.052 R)
• M7: 3,716,909 km (0.094 R)
• M8: 4,411,641 km (0.098 R)
• M9: 6,543,860 km (0.119 R)
• M10: 8,851,407 km (0.115 R)
• M11: 9,703,217 km (0.083 R)
• M12: 10,407,225 km (0.104 R)
• M13: 11,355,974 km (0.087 R)
• M14: 14,954,701 km (0.107 R)
• M15: 15,735,003 km (0.093 R)
• M16: 16,928,345 km (0.118 R)
• M17: 19,311,888 km (0.085 R)
• M18: 20,870,399 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 34.5

Radius: 6.2

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 6.27 AU - 8.85 AU

Year: 13636 Days

Day: 17.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,874,831 km

• M1: 77,043 km (0.116 R)
• M2: 327,470 km (0.115 R)
• M3: 729,589 km (0.109 R)
• M4: 1,825,842 km (0.096 R)
• M5: 4,309,167 km (0.095 R)
• M6: 5,630,864 km (0.076 R)
• M7: 7,612,886 km (0.073 R)
• M8: 8,172,980 km (0.118 R)
• M9: 9,301,098 km (0.109 R)
• M10: 10,370,274 km (0.087 R)
• M11: 11,992,663 km (0.116 R)
• M12: 12,750,227 km (0.102 R)
• M13: 15,213,954 km (0.111 R)
• M14: 17,636,542 km (0.087 R)
• M15: 18,615,061 km (0.076 R)
• M16: 19,327,297 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 903.2

Radius: 7.1

Gravity: 17.92 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 6.51 AU - 10.07 AU

Year: 15658 Days

Day: 18 Hours

Environment

Temp: -224 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 70,874,831 km

• M1: 88,712 km (0.11 R)
• M2: 394,789 km (0.109 R)
• M3: 671,694 km (0.12 R)
• M4: 1,850,675 km (0.118 R)
• M5: 3,020,381 km (0.113 R)
• M6: 3,418,461 km (0.1 R)
• M7: 3,851,098 km (0.113 R)
• M8: 4,222,998 km (0.085 R)
• M9: 5,038,755 km (0.105 R)
• M10: 6,756,139 km (0.115 R)
• M11: 7,437,557 km (0.111 R)
• M12: 8,830,912 km (0.096 R)
• M13: 10,331,379 km (0.087 R)
• M14: 11,421,498 km (0.06 R)
• M15: 12,787,776 km (0.084 R)
• M16: 15,074,379 km (0.075 R)
• M17: 18,213,092 km (0.118 R)
• M18: 18,731,748 km (0.095 R)
• M19: 21,761,853 km (0.082 R)
• M20: 22,150,059 km (0.101 R)
• M21: 24,997,804 km (0.075 R)
• M22: 27,512,395 km (0.102 R)
• M23: 28,310,051 km (0.117 R)
• M24: 31,407,923 km (0.079 R)
• M25: 32,028,455 km (0.071 R)
• M26: 32,783,925 km (0.114 R)
• M27: 33,038,391 km (0.072 R)
• M28: 34,330,318 km (0.048 R)
• M29: 38,267,285 km (0.103 R)
• M30: 41,744,837 km (0.1 R)
• M31: 42,344,126 km (0.115 R)
• M32: 42,949,249 km (0.11 R)
• M33: 56,294,427 km (0.082 R)
• M34: 63,304,733 km (0.078 R)
• M35: 65,495,743 km (0.107 R)
• M36: 66,102,063 km (0.085 R)
• M37: 67,531,172 km (0.115 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 247 - 11,243 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit